VirtualBox 4 – NAT Port Forwarding GUI
http://www.rustyrazorblade.com/2010/12/virtualbox-4-nat-port-forwarding-gui/
http://www.aoddy.com/2011/08/01/ssh-a-guest-server-in-virtualbox-by-port-forwarding/
/etc/init.d/network restart 重啟網路設定
lspci查看,網路卡是抓到?